International Energy Agency

Represents OECD countries and includes extensive information on energy usage, technologies and efficiency measures as well as statistical publications 

European Union official site

Information site on energy and related activities

UK gas/electricity regulator

Includes information on Distributed Generation activities in UK

BERR (Department for Enterprise, Business & Regulatory Reform) official site

Formerly DTI (Department for Trade & Industry)

Excellent source of information on energy policy, statistics and environmental issues

UK Department of Environment

More links and Climate Change information

UK Energy Savings Trust

Information on energy efficiency, microgeneration and consumer "how to" guidance

UK Carbon Trust

As EST, but with focus on carbon mitigation for commercial applications.  Also includes information on micro CHP and gas boilers in field trials

Energy Networks Association

Trade body representing UK energy distribution companies. 

Includes technical references such as G83 standard for connecting micro-generators to the low voltage network, as well as contacts responsible for networks in each area

World Alliance for Decentralised Energy

Promoting the use of Distributed Energy throughout the world

USA Distributed Generation site

General information for USA consumers and business

European CHP association

Trade body representing manufacturers, suppliers and users of CHP (including micro CHP) in Europe

Micropower Council

UK trade body representing developers and suppliers of micro-generation technologies for use in the home

Combined Heat & Power Association (UK)

Trade body representing manufacturers, suppliers and users of CHP (including micro CHP) in the UK

Cogeneration & On-Site Power Production

Monthly publication